public class changchar {
    //以下是转义字符
    public static void main(String[] args) {
        System.out.println("北\t上\t广");
        System.out.println("----------");
        System.out.println("北\n上\n广");
        System.out.println("----------");
        System.out.println("北\\上\\广");
        System.out.println("----------");
        System.out.println("北\r上\r广");
        System.out.println("----------");
        System.out.println("北\'上\'广");
        System.out.println("----------");
    }
}
